package com.car.utils;

import java.util.Random;
import java.util.UUID;

public class NumberUtils {
    public static String generateWorkId(){
        StringBuilder sb = new StringBuilder();
        Random random = new Random();
        for(int i = 0; i<6;i++){
            sb.append(random.nextInt(10));
        }
        return sb.toString();
    }
    public static String generateCardNum(){
        UUID uuid = UUID.randomUUID();
        return uuid.toString().substring(0,16);
    }
}
